HostMonitor's Main Page Disk Meter
Version 1.00
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Disk Meter is an auxiliary application for HostMonitor, however it can be used independently as well. Disk Meter is included into Advanced Host Monitor package and can also be downloaded separately at the download page.


Disk Meter

Disk Meter displays chart with information about all disk drives mounted on local or remote system. Each disk represented by a bar; red colored bar indicates disk with free space below 5% (unless you set custom free space limit).
When you are using HostMonitor to start Disk Meter, HostMonitor sets minimum free space limit using Drive Free Space test properties.

DiskMeter can connect to remote system using WMI or SNMP protocol and retrieve data from various systems:

  • Windows
  • FreeBSD
  • Linux
  • AIX
  • ESXi
  • Solaris
  • NetAPP NAS

NetApp related notes:
DiskMeter may show negative free space for snapshots, when shapshot too big and uses active file system space. Snapshot copy reserve sets a specific percent of the disk space for storing Snapshot copies. If the Snapshot copies exceed the reserve space, they spill into the active file system and this process is called Snapshot spill.
NetApp recommends: The Snapshot copy reserve must have sufficient space allocated for the Snapshot copies. If the Snapshot copies exceeds the reserve space, you must delete the existing Snapshot copies from the active file system to recover the space, for the use of the file system. You can also modify the percent of disk space that is allotted to Snapshot copies.


Menu

File
Target hostthis menu item allows you to specify connection parameters for remote system monitoring
Copy image to Clipboard-copies the chart as an image into the clipboard
Save to File-saves an image of the chart as a bitmap or WMF (Windows Meta File)
Print-brings up Print Preview dialog and allows you to print the chart
Exit-closes application
 
Options
Refresh-tells Disk Meter to collect up-to-date information from target system and update the chart
Auto refresh ON-using this menu item you may setup Disk Meter to update the chart on regular basis, e.g. every 180 sec (3 min)
Auto refresh OFF-use this menu to disable "auto refresh" option
Display labels-turns on/off chart labels
 
Help
Help -displays Help
Home page -starts default web browser, opens home page of the Disk Meter on www.ks-soft.net
Support -allows you to send e-mail to our tech support staff
About -about Disk Meter

Disk Meter can be started as an independent application or it can be launched by HostMonitor: Drive Free Space test method offers "Disk Meter" popup menu item that allows you to launch application to check specified system.



Disk Meter allows you to request local and remote systems. To connect to the remote system you may use GUI or command line parameters.

Connecting to remote host using GUI

If you have already started Disk Meter and you need to connect to another system, use menu "File" -> "Target host". Then choose protocol: SNMP or WMI

SNMP: Simple Network Management Protocol is the Internet standard protocol for exchanging management information between management console applications and managed entities (hosts, routers, bridges, hubs). Using SNMP protocol Disk Meter can retrieve data from various Windows and UNIX systems, also it can check NetApp NAS devices
Set the following options:
Hosta string specifying either a dotted-decimal IP address or a host name that can be resolved to an IP address (e.g. 195.168.10.10)
Portspecify the port number on which target SNMP agent is listening for incoming requests (by default SNMP agents use port 161)
SNMP ver choose SNMP protocol version supported by target agent (note: application works faster when SNMP v2c is used)
Community   a string specifying the SNMP community name used for communication with the target device
Timeoutthis is the amount of time in milliseconds the program will wait for a response from target system before the request fails
Retriesspecifies the communications retry count

WMI: Windows Management Instrumentation is the Microsoft's implementation of Web-Based Enterprise Management. DiskMeter can connect to remote Windows systems using WMI protocol.
Please set the following options:
Hosta string specifying either a dotted-decimal IP address or a host name
Username   this parameter allows you to specify account that should be used for connection with remote system
Password provide password for specified account



Connecting to remote host using command line parameters

You may specify connection parameters in command line, this way Disk Meter connects to specified system right after startup.
Format of the command line for local system:
 diskmeter.exe   [-limit:<limit>]

Format of the command line for WMI connections:
 diskmeter.exe   -host:<hostname>   -user:<username>   [-pswd:<password>]   [-limit:<limit>]

Format of the command line for SNMP connections:
 diskmeter.exe   -host:<hostname> [-port:<portnumber>] [-timeout:<timeout>] [-retitries:<retries>] [-snmpver:<version>] [-community:<community>] [-limit:<limit>]

  <hostname> - host name or IP address of the destination host
  <limit> - using this parameter you may setup free space threshould. Disk Meter will show red colored bar when free space on some disk falls below specified limit.
If you specify limit using number from 0 to 100, then Disk Meter will check free space percentage.
if you specify limit using number plus suffux (K, M, G or T) then Disk Meter will check free space using KB, MB, GB or TB units.
E.g. -limit:5 (5% limit), -limit:500M (500 MB limit), -limit:20G (20 GB limit), -limit:2T (2 TB limit)
  WMI mode
  <username> - this parameter allows you to specify account that should be used for connection with remote system
  <password> - provide password for specified account. If password contains space characters, use quotation marks to wrap parameter
  SNMP mode
  <portnumber>- specify the port number on which target SNMP agent is listening for incoming requests (default port 161)
  <timeout>- amount of time in milliseconds the program will wait for a response from target system before the request fails
  <retries>- specifies the communications retry count (default 1)
  <version> - choose SNMP protocol version supported by target system: 1 or 2 (default version 2c)
  <community>- specify the SNMP community name used for communication with the target device (default "public")

Examples:
 diskmeter.exe   -host:112.20.1.55   "-user:admin" "-pswd:secretword"   -limit:8
 diskmeter.exe   -host:10.10.1.90   -snmpver:2 -community:readonly   -limit:500M
 diskmeter.exe   -host:10.10.1.90   -port:161 -timeout:2000 -community:readonly


System requirements

Disk Meter can be started on the following systems without any additional software packages:

  • Windows XP Professional
  • Windows Vista Business
  • Windows 7
  • Windows 8
  • Windows 10
  • Windows Server 2003
  • Windows Server 2008 / 2008 R2
  • Windows Server 2012 / 2012 R2
  • Windows Server 2016


Known problems

Windows, WMI mode
Problem: Disk Meter shows "Class ISWbemLocator is not registered" error
If application returns such an error, it is most likely that there is system registry problem. The following article shows how to fix a corrupted WMI repository and how to register the WMI components: Rebuilding the WMI Repository


How much does it cost?

When you purchase an Advanced Host Monitor you will get the license for Disk Meter at no additional cost.
Advanced Host Monitor package is available in several licensing options: Starter ($199), Professional ($350), Advanced ($599), Enterprise ($1299) and Enterprise with Lifetime Updates ($2499). You can order by credit card, Switch and Solo debit cards, check/money order or wire transfer order.
Details..